pfi pfk pfl pfp pfr pft pia pic pid pie pif pii pik pil pip pir pit pka pkc pkd pke pkf pki pkl pkp pkr pkt pla plc pld ple plf pli plk pll plp plr plt ppa ppc ppd ppe ppf ppi ppk ppl ppp ppr ppt pra prc prd pre prf pri prk prl prp prr prt pt- pta ptc ptd pte ptf pti ptk ptl ptp ptr ptt ra- raa rac rad rae raf rai rak ral rap rar rat rca rcc rcd rce rcf rci rcl rcp rcr rct rda rdc rdd rde rdf rdi rdl rdp rdr rdt re- rea rec red ree ref rei rek rel rep rer ret rfa rfc rfd rfe rff rfi rfk rfl rfp rfr rft ria ric rid rie rif rii rik ril rip rir rit rkc rke rkf rkk rkp rkt rla rlc rld rle rlf rli rll rlp rlr rlt rpa rpc rpd rpe rpf rpi rpk rpl rpp rpr rpt rra rrc rrd rrf rri rrk rrl rrp rrr rrt rta rtc rtd rte rtf rti rtk rtl rtp rtr rtt taa tac tad tae taf tai tak tal tap tar tat tca tcc tcd tce tcf tci tck tcl tcp tcr tct tda tdc tdd tde tdf tdi tdk tdl tdp tdr tdt te- tea tec ted tee tef tei tek tel tep ter tet tfa tfc tfd tfe tff tfi tfk tfl tfp tfr tft tia tic tid tie tif tii tik til tip tir tit tka tkc tke tkk tkl tkp tkr tkt tla tlc tld tle tlf tli tlk tll tlp tlr tlt tpa tpc tpd tpe tpf tpi tpk tpl tpp tpr tpt tra trc trd tre trf tri trk trl trp trr trt tta ttc ttd tte ttf tti ttk ttl ttp ttr ttt